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A Dynamical Perspective on the Arrow of Time

Salimkhani, Kian (2022) A Dynamical Perspective on the Arrow of Time. [Preprint]

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Abstract

It is standardly believed that the generally time-reversal symmetric fundamental laws of physics themselves cannot explain the apparent asymmetry of time. In particular, it is believed that CP violation is of no help. In this paper, I want to push back against a quick dismissal of CP violation as a potential source for the arrow of time and argue that it should be taken more seriously for conceptualising time in physics. I first recall that CP violation is a key feature of our best physical theory which also has large-scale explanatory import regarding the matter-antimatter asymmetry of the universe. I then investigate how CP violation may help to explain the directionality of time. I argue that accounts à la Maudlin that posit an intrinsic fundamental direction of time are not convincing and instead propose to utilise recent results from work on the dynamical approach to relativity theory.


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Item Type: Preprint
Creators:
CreatorsEmailORCID
Salimkhani, Kiank.salimkhani@uni-koeln.de0000-0003-3453-402X
Keywords: CP violation Arrow of Time Dynamical Approach
Subjects: General Issues > Scientific Metaphysics
Specific Sciences > Physics > Fields and Particles
Specific Sciences > Physics
Specific Sciences > Physics > Quantum Field Theory
Specific Sciences > Physics > Relativity Theory
Specific Sciences > Physics > Symmetries/Invariances
Depositing User: Mr. Kian Salimkhani
Date Deposited: 08 Jul 2022 04:14
Last Modified: 08 Jul 2022 04:14
Item ID: 20852
Subjects: General Issues > Scientific Metaphysics
Specific Sciences > Physics > Fields and Particles
Specific Sciences > Physics
Specific Sciences > Physics > Quantum Field Theory
Specific Sciences > Physics > Relativity Theory
Specific Sciences > Physics > Symmetries/Invariances
Date: 2022
URI: http://philsci-archive.pitt.edu/id/eprint/20852

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